Each of three blocks "P,Q" and "R" shown in figure has a mass of "3kg" .Each of the wires "A" and "B" has cross-sectional area `0.005cm^(2)` and Young's modulus `2times10^(11)Nm` .Neglecting friction,the longitudinal strain on wire "B" is______________`times10^(-4)` .(Take `g=10m"/"s^(2)` )

Each of the three blocks P, Q and R shown in figure has a mass of 3 kg. Easch of the wires A and B has cross sectional area 0.005 cm^2 and Young modulus 2x10^11Nm^-2 . Neglect friction. Find the longitudinal strain developed ineach of the wires. Take g=10ms^-2

Three equal masses 3 kg are connected by massless string of cross sectional area 0.005 cm^(-2) and Young's modulus 2xx 10^(11) N//m^(-2) . In the absence of friction the longitudes strain in the wire

Each of three blocks shows in figure has a mass 3 kg. The wire connecting blocks A and B has area of cross-section 0.005 cm^(2) and Young's modulus of elasticity Y = 2 xx 10 ^(11) N//m^(2) . Neglect friction. Find the elasticity potential energy stored per unit volume in wire connecting blocks A and B in steady state. (Taken g = 10 m//s^(2))

The area of a cross section of steel wire is 0.1cm^2 and Young's modulus of steel is 2xx10^(11)Nm^-2 . The force required to strech by 0.1% of its length is

The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

A steel wire 4.0 m in length is stretched through 2.0 mm. The cross-sectional area of the wire is 2.0 mm^(2) . If young's modulus of steel is 2.0 xx 10^(11) Nm^(-2) , then find the energy density of wire.

Speed of a transverse wave on a straight wire (mass 6 g, length 120 cm and area of cross section 1.2 mm^(2) is 100 m/s) . If the Young's modulus of wire is 10^(12) Nm^(-2) the extension of wire over its natural length is :

A steal wire of cross-section area 3xx10^(-6) m^(2) can withstand a maximum strain of 10^(-3) .Young's modulus of steel is 2xx10^(11) Nm^(-2) .The maximum mass this wire can hold is

An elongation of 0.2% in a wire of cross section 10^(-4)m^(2) causes tension 1000 N. Then its young's modulus is